Owner of trademarks, including “Mrs. United States” and seven other variants related to owner’s beauty pageant business, would likely suffer irreparable harm by use of allegedly infringing marks in violation of Lanham Act, in absence of preliminary injunction prohibiting alleged infringer’s use of challenged marks “Miss United States of America” and several permutations of that name and Internet domain name, since allegedly infringing marks caused actual consumer confusion and caused trademark owner potential loss of good will, loss of customers, damage to reputation, and loss of control over marks so that alleged infringement was not easily quantifiable or remediable by damages.